How To Measure The Rise Of A Roof

Let s assume it is equal to 6 m.

How to measure the rise of a roof.

If this distance measures 4 inches you have a 4 in 12 pitch. The roof slope is the horizontal angle of the roof. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. First enter the value of the rise and choose the unit of measurement from the drop down menu.

Measure the rise of your roof. The next step is to measure the pitch also referred to as the roof slope of the roof deck. The slope is the same as the pitch. For more complex roofs you may need to calculate it section by.

Here are the steps to follow for the roof angle calculator. Calculate the rafter length substituting these values. Record these values as roof rise over run with the vertical measurement listed first and the horizontal second. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.

Let s say it is equal to 1 5 m. You ll need to figure out the vertical distance also known as the rise over a 12 horizontal segment also known as the run. Check with the designer to get the unit rise for the roof which is the slope of the roof. For a roof with the ridge above one wall the span is the same as the run.

Then enter the value of the run and choose the unit of measurement from the drop down menu. How to calculate roof rise. Pitch measurement method 2 2. Finally enter the value of the rafter length and.

The span of the building is the total width of the. On a 38 degree sloping roof angle t each individual vertical rise of 9 4 y 1 would have a horizontal run x 1 of 12 inches. 8 inches and you have an 8 in 12 pitch. Roof slope calculator example of use.